<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>调用css层试试</title>
    <link rel="stylesheet" href="../css/flex.css">
    <link rel="stylesheet" href="../css/1.css">
</head>
<body>
<!--一点-->
<div class="a" flex="cross:center main:center">
    <div class="b"></div>
</div><br>
<!--两点-->
<div class="a" flex="main:justify dir:top">
    <div class="c">
        <div class="b"></div>
    </div>
    <div class="c" flex="main:right cross:bottom">
        <div class="b"></div>
    </div>
</div><br>
<!--三点-->
<div class="a" flex="main:justify dir:top">
    <div class="c">
        <div class="b"></div>
    </div>
    <div class="c" flex="main:center">
        <div class="b"></div>
    </div>
    <div class="c" flex="main:right">
        <div class="b"></div>
    </div>
</div><br>
<!--四点-->
<div class="a" flex="main:justify dir:top">
    <div class="c" flex="main:justify">
        <div class="b"></div>
        <div class="b"></div>
    </div>
    <div class="c" flex="main:justify cross:bottom">
        <div class="b"></div>
        <div class="b"></div>
    </div>
</div><br>
<!--五点-->
<div class="a" flex="main:justify dir:top">
    <div class="c" flex="main:justify">
        <div class="b"></div>
        <div class="b"></div>
    </div>
    <div class="c" flex="main:center">
        <div class="b"></div>
    </div>
    <div class="c" flex="main:justify">
        <div class="b"></div>
        <div class="b"></div>
    </div>
</div><br>
<!--六点-->
<div class="a" flex="main:justify dir:top">
    <div class="c" flex="main:justify">
        <div class="b"></div>
        <div class="b"></div>
    </div>
    <div class="c" flex="main:justify">
        <div class="b"></div>
        <div class="b"></div>
    </div>
    <div class="c" flex="main:justify cross:bottom">
        <div class="b"></div>
        <div class="b"></div>
    </div>
</div>
</body>
</html>